Home / 8,180.64-11,288.62-4,595.40

Finding the Fourth Proportional to 8,180.64, 11,288.62 and 4,595.40

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Solution

The fourth proportional to 8,180.64, 11,288.62 and 4,595.40 is: 6,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.64 : 11,288.62 = 4,595.40 : x
  2. Step 2: Convert to fraction form
    8,180.64/11,288.62 = 4,595.40/x
  3. Step 3: Cross multiply
    8,180.64x = 11,288.62 × 4,595.40
  4. Step 4: Simplify right side
    8,180.64x = 51,875,704.24
  5. Step 5: Solve for x
    x = 51,875,704.24/8,180.64
  6. Step 6: Final answer
    x = 6,341.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.